CN106783223B - A kind of winding-type all-solid-state supercapacitor and preparation method - Google Patents
A kind of winding-type all-solid-state supercapacitor and preparation method Download PDFInfo
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- CN106783223B CN106783223B CN201611258977.9A CN201611258977A CN106783223B CN 106783223 B CN106783223 B CN 106783223B CN 201611258977 A CN201611258977 A CN 201611258977A CN 106783223 B CN106783223 B CN 106783223B
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Abstract
The present invention relates to a kind of winding-type all-solid-state supercapacitors and preparation method thereof.Winding-type all-solid-state supercapacitor includes underlying metal foil, underlying metal foil coating, top-level metallic foil, top-level metallic foil coating, winding hub, shell, conductive silver paste coating, electrode outlet line and adhesive tape, underlying metal foil, underlying metal foil coating, top-level metallic foil, top-level metallic foil coating, winding hub and adhesive tape composition winding super capacitor core.A kind of preparation method of winding-type all-solid-state supercapacitor, comprising: 1 prepares dielectric/electrolyte composite granule；2 prepare composite granule/organic bond slurry；3 prepare top-level metallic foil coating；4 prepare underlying metal foil coating；5 are aligned with underlying metal foil coating and top-level metallic foil coated center, stay side heteropleural, wrap fixation with adhesive tape after winding on winding hub and winding super capacitor core is made；Winding super capacitor core is put into completion after shell is encapsulated, dried by 6 to be prepared.
Description
Technical field
The present invention relates to a kind of supercapacitors and preparation method thereof, and in particular to a kind of winding-type all solid state super capacitor
Device and preparation method.
Background technique
Environmental pollution and the petrochemical industry class energy i.e. will be exhausted, force people's exploitation novel electric vehicle effectively to solve tradition automobile-used
Energy shortages and the problems such as containing carbon emission.Ready-made ripe pure electric vehicle is mainly based on lithium ion battery, due to its charge and discharge speed
It is small to spend (hour magnitude), power density slowly, it is comparable with conventional fuel oil car in performance to constrain it.Traditional supercapacitor
It is better than automobile-used lithium ion battery on power density, charge-discharge velocity and charge and discharge cycles number, but its energy density is far below
Lithium ion battery makes it so far, is difficult individually to become Vehicular dynamic battery.
Supercapacitor main part is made of electrode, electrolyte, diaphragm etc., and electrolyte has two class of liquid and solid-state, is made
Supercapacitor is divided into liquid supercapacitor and solid-state super capacitor.Mature supercapacitor product master currently on the market
It to be carbons electric double layer liquid electrolyte supercapacitor.Liquid supercapacitor is due to the good ionic conduction of liquid electrolyte
Property and device can be windability for the main choosing of supercapacitor on existing market, but it exists simultaneously operating voltage low (aqua is 1V left
It is right), easily leakage, corrosivity is strong, craft precision is difficult to control, it is individual between performance difference it is big and be difficult to be made into extensive component, these
Seriously affect its performance, service life and safety.Solid-state super capacitor due to its solid electrolyte operating voltage high (> 1V), no
Need to consider the safety problems such as corrosivity and leaks, and the service life is long, craft precision is easily-controllable, it is individual between consistency of performance it is good, for will
Advantage is provided to be made into the power battery of extensive component, is one of current research hotspot.But current solid ionic conductance
Rate is relatively low compared to liquid ion, such as Li4Ti5O12Conductivity less than 10-9Scm-1So that the series equivalent resistance of solid-state material is inclined
Height constrains the development of solid-state super capacitor；Especially the rigidity of solid electrolyte can not be wound, and limit solid-state super electricity
The development of container monomer large capacity.
Summary of the invention
The present invention makes improvements for the above-mentioned problems of the prior art, i.e., the first purpose of this invention is disclosure
A kind of winding-type all-solid-state supercapacitor, second object of the present invention are a kind of open winding-type all solid state super capacitor
The preparation method of device.
Technical solution: a kind of winding-type all-solid-state supercapacitor, including underlying metal foil, underlying metal foil coating, top
Layer metal foil, top-level metallic foil coating, winding hub, shell, conductive silver paste coating, electrode outlet line and adhesive tape；
Winding super capacitor core is wrapped up in after winding the winding hub by the underlying metal foil, the top-level metallic foil
It covers adhesive tape to form, the underlying metal foil is located at the outside of the top-level metallic foil, and the underlying metal foil coating is located at institute
The upper surface of underlying metal foil is stated, the top-level metallic foil coating is located at the upper surface of the top-level metallic foil；
The top of the shell is equipped with rectangle blind hole, and winding super capacitor core is arranged in the rectangle blind hole, with
Two insides for winding the corresponding rectangle blind hole in both ends of super capacitor core are equipped with conductive silver paste coating, with the two insides phase
The upper surface of shell even also is provided with conductive silver paste coating, and the conductive silver paste coating external electrode of the upper surface of the shell is drawn
The upside of line, the winding super capacitor core is encapsulated using encapsulating material.
Further, the width of the length of the winding hub and rectangle blind hole is interference fit, the width of winding hub
It is slightly wider than conductive silver paste coating.
Further, shell is plastic casing or ceramic shell.
Further, the underlying metal foil coating is ground by composite granule and organic bond, and composite granule is
The BaTiO of any molar ratio3Powder and β "-Al2O3The mixture of powder, organic bond PVB, organic bond accounts for compound
The 20%-30% of powder and organic bond total weight.
Further, the top-level metallic foil coating is ground by composite granule and organic bond, and composite granule is
The BaTiO of any molar ratio3Powder and β "-Al2O3The mixture of powder, organic bond PVB, organic bond accounts for compound
The 20%-30% of powder and organic bond total weight.
Further, the BaTiO3The partial size of powder is 30nm-50nm, β "-Al2O3The partial size of powder is 30nm-
50nm。
Further, the underlying metal foil coating side is equipped with and stays side, and the other side of the top-level metallic foil coating is set
Stay side.
Further, one end of conductive silver paste coating and electrode outlet line is welded.
Further, encapsulating material is epoxy resin.
A kind of preparation method of winding-type all-solid-state supercapacitor, comprising the following steps:
(1), by BaTiO3Powder and β "-Al2O3After powder is by the mixing of any molar ratio, it is ground to not a half hour, crosses 200
Dielectric/electrolyte composite granule is obtained after mesh；
(2), organic bond is added in the composite granule obtained to step (1), then adds suitable dehydrated alcohol and grinds
Not a half hour is milled to as uniform sizing material, wherein organic bond accounts for the 20%- of composite granule and organic bond total weight
30%；
(3), slurry that step (2) obtains is coated uniformly on to the upper surface of top-level metallic foil, top layer gold by coating machine
Belong to the side of foil there are staying side, and dries slurry to form top-level metallic foil coating by baking oven；
(4), slurry that step (2) obtains is coated uniformly on to the upper surface of underlying metal foil, bottom gold by coating machine
Belong to the side of foil there are staying side, and dries slurry to form underlying metal foil coating by baking oven；
(5), top-level metallic foil is placed in the top of underlying metal foil, top-level metallic foil coating stays side and underlying metal
Foil coating stays side heteropleural, and the center of top-level metallic foil coating is aligned with the center of underlying metal foil coating, on winding hub
It is removed after winding several circle numbers, outer ring is wrapped fixation with adhesive tape, winding super capacitor core is made；
(6), it first stays the metal foil on side to be compacted with torsion at winding super capacitor core both ends, then super capacitor will be wound
Device fuse is put into rectangle blind hole, and two sides conductive silver paste inside the metal foil and blind hole on side is stayed at winding super capacitor core both ends
Coating comes into full contact with, be then injected into epoxy resin encapsulation winding super capacitor core, be then placed into drying in oven to get
To winding-type all-solid-state supercapacitor.
Compared with prior art, a kind of winding-type all-solid-state supercapacitor disclosed by the invention and preparation method have with
It is lower the utility model has the advantages that
1, traditional capacitor (dielectric) and supercapacitor (electrolyte) are combined with each other, unit for electrical property parameters
(specific capacitance, specific energy, specific power) than is accordingly individually mentioned with material capacitor (dielectric) or supercapacitor (electrolyte)
High several times；
2, by the addition of organic bond, the shortcomings that rigidity for overcoming conventional solid-state super can not be wound, realize that solid-state is super
Grade capacitor can it is windability and improve solid ionic mobility, and then obtain monomer large capacity supercapacitor；
3, operating voltage reaches 2.5V, much larger than the maximum 1V of traditional aqua liquid supercapacitor；
4, winding-type all-solid-state supercapacitor overcome the short liquid supercapacitor service life, easy leakage, it is perishable etc. no
Safety factor has higher reliability and service life.
Detailed description of the invention
Fig. 1 is the production schematic diagram for winding super capacitor core；
Fig. 2 is a kind of structural schematic diagram of winding-type all-solid-state supercapacitor disclosed by the invention；
Fig. 3 is the variation schematic diagram of sample A, sample B, the Cyclic voltamogram of sample AB at room temperature；
Fig. 4 be sample A, sample B, the constant current charge-discharge characteristic of sample AB at room temperature variation schematic diagram；
Fig. 5 is sample A, sample B, sample AB specific capacitance C0, specific energy E 0, specific power P0 performance comparison schematic diagram；
Fig. 6 is sample A, sample B, sample AB energy density and saturation effect figure.
Wherein:
1- underlying metal foil 2- underlying metal foil coating
3- top-level metallic foil 4- top-level metallic foil coating
5- winding hub 6- shell
7- conductive silver paste coating 8- electrode outlet line
9- adhesive tape 10- winds super capacitor core
Specific embodiment:
With reference to the accompanying drawing, detailed description of specific embodiments of the present invention.
Specific embodiment 1:
A kind of winding-type all-solid-state supercapacitor sample AB as shown in Figure 1 and Figure 2, including underlying metal foil 1, bottom
Metal foil coating 2, top-level metallic foil 3, top-level metallic foil coating 4, winding hub 5, shell 6, conductive silver paste coating 7, electrode draw
Outlet 8 and adhesive tape 9；
Super capacitor core 10 is wound by wrapping adhesive tape after underlying metal foil 1,3 wound web central spindle 5 of top-level metallic foil
Paper 9 forms, and underlying metal foil 1 is located at the outside of top-level metallic foil 3, and underlying metal foil coating 2 is located at the upper table of underlying metal foil 1
Face, top-level metallic foil coating 4 are located at the upper surface of top-level metallic foil 3；
The top of shell 6 is equipped with rectangle blind hole, and winding super capacitor core 10 is arranged in rectangle blind hole, super with winding
Two insides of the corresponding rectangle blind hole in both ends of grade capacitor body 10 are equipped with conductive silver paste coating 7, are connected with two inside
The upper surface of shell 6 also be provided with conductive silver paste coating 7, the 7 external electrode lead-out wire of conductive silver paste coating of the upper surface of shell 6
8, the upside for winding super capacitor core 10 is encapsulated using encapsulating material.
Further, the width of the length of winding hub 5 and rectangle blind hole is interference fit, and the width of winding hub 5 omits
It is wider than conductive silver paste coating 7.
Further, shell 6 is ceramic shell.
Further, underlying metal foil coating 2 is ground by composite granule and organic bond, and composite granule is any
The BaTiO of molar ratio3Powder and β "-Al2O3The mixture of powder, organic bond PVB, organic bond account for composite granule
With the 20% of organic bond total weight.
Further, top-level metallic foil coating 4 is ground by composite granule and organic bond, and composite granule is any
The BaTiO of molar ratio3Powder and β "-Al2O3The mixture of powder, organic bond PVB, organic bond account for composite granule
With the 20% of organic bond total weight.
Further, BaTiO3The partial size of powder is 30nm, β "-Al2O3The partial size of powder is 30nm.
Further, 2 side of underlying metal foil coating, which is equipped with, stays side, and the other side of top-level metallic foil coating 4, which is equipped with, stays side.
Further, one end of conductive silver paste coating 7 and electrode outlet line 8 is welded.
Further, encapsulating material is epoxy resin.
A kind of preparation method of winding-type all-solid-state supercapacitor, comprising the following steps:
(1), by BaTiO3Powder and β "-Al2O3After powder is by the mixing of any molar ratio, it is ground to not a half hour, crosses 200
Dielectric/electrolyte composite granule is obtained after mesh；BaTiO3Powder and β "-Al2O3The partial size of powder is 30nm；
(2), organic bond is added in the composite granule obtained to step (1), then adds suitable dehydrated alcohol and grinds
Not a half hour is milled to as uniform sizing material, wherein organic bond accounts for the 20% of composite granule and organic bond total weight；
(3), slurry that step (2) obtains is coated uniformly on to the upper surface of top-level metallic foil, top layer gold by coating machine
Belong to the side of foil there are staying side, and is handled by drying 5-10 minutes of 50-70 DEG C of baking oven and dry slurry to form top-level metallic foil
Coating；
(4), slurry that step (2) obtains is coated uniformly on to the upper surface of underlying metal foil, bottom gold by coating machine
Belong to the side of foil there are staying side, and is handled by drying 5-10 minutes of 50-70 DEG C of baking oven and dry slurry to form underlying metal foil
Coating；
(5), as shown in Figure 1, top-level metallic foil to be placed in the top of underlying metal foil, top-level metallic foil coating stays side
Side heteropleural is stayed with underlying metal foil coating, the center of top-level metallic foil coating is aligned with the center of underlying metal foil coating,
It is removed after winding several circle numbers on winding hub, outer ring is wrapped fixation with adhesive tape, winding super capacitor core is made；
(6), as shown in Fig. 2, first staying the metal foil on side to be compacted with torsion at winding super capacitor core both ends, then will volume
It is put into rectangle blind hole around super capacitor core, winding super capacitor core both ends are stayed two inside the metal foil and blind hole on side
Side conductive silver paste coating comes into full contact with, and encapsulating material epoxy resin encapsulation winding super capacitor core is then injected into, by drying
Sample AB preparation is completed in 50-70 DEG C of case drying 8-10 minutes processing.
Sample A is prepared using method same as Sample A B and sample B, difference are simply that
β "-Al is contained only between the hearth electrode and top electrode of Sample A2O3, the β "-Al2O3In the quality and Sample A B of powder
BaTiO3Powder and β "-Al2O3Powder quality is equal；
BaTiO is contained only between the hearth electrode and top electrode of sample B3, the BaTiO3In the quality and Sample A B of powder
BaTiO3Powder and β "-Al2O3Powder quality is equal.
Sheet sample A, B and AB are tested for the property respectively at room temperature, test result is as follows:
As shown in figure 3, Cyclic voltamogram shows to act on due to multiple mechanism, the squaring degree of sample AB, female surface
Product, window voltage are superior to the sample A and sample B of the independent mechanism of same condition；
As shown in figure 4, constant current charge-discharge characteristic shows to act on due to multiple mechanism, sample AB stores energy and is greater than same item
The sample A and sample B of the independent mechanism of part；
As shown in figure 5, sample AB, specific capacitance C0, specific energy E 0, specific power P0 are all larger than since multiple mechanism acts on
The value of sample A and sample B；
As shown in fig. 6, sample A, the energy density of sample B and sample AB and saturation effect chart are bright, due to compound
Machining function, sample AB storage energy is greater than sample A and Sample B Sample AB with the independent mechanism of condition, and that power greatly improved is close
Degree.
Specific embodiment 2:
A kind of winding-type all-solid-state supercapacitor as shown in Figure 1 and Figure 2, including underlying metal foil 1, underlying metal foil
Coating 2, top-level metallic foil 3, top-level metallic foil coating 4, winding hub 5, shell 6, conductive silver paste coating 7,8 and of electrode outlet line
Adhesive tape 9；
Super capacitor core 10 is wound by wrapping adhesive tape after underlying metal foil 1,3 wound web central spindle 5 of top-level metallic foil
Paper 9 forms, and underlying metal foil 1 is located at the outside of top-level metallic foil 3, and underlying metal foil coating 2 is located at the upper table of underlying metal foil 1
Face, top-level metallic foil coating 4 are located at the upper surface of top-level metallic foil 3；
The top of shell 6 is equipped with rectangle blind hole, and winding super capacitor core 10 is arranged in rectangle blind hole, super with winding
Two insides of the corresponding rectangle blind hole in both ends of grade capacitor body 10 are equipped with conductive silver paste coating 7, are connected with two inside
The upper surface of shell 6 also be provided with conductive silver paste coating 7, the 7 external electrode lead-out wire of conductive silver paste coating of the upper surface of shell 6
8, the upside for winding super capacitor core 10 is encapsulated using encapsulating material.
Further, the width of the length of winding hub 5 and rectangle blind hole is interference fit, and the width of winding hub 5 omits
It is wider than conductive silver paste coating 7.
Further, shell 6 is plastic casing.
Further, underlying metal foil coating 2 is ground by composite granule and organic bond, and composite granule is any
The BaTiO of molar ratio3Powder and β "-Al2O3The mixture of powder, organic bond PVB, organic bond account for composite granule
With the 30% of organic bond total weight.
Further, top-level metallic foil coating 4 is ground by composite granule and organic bond, and composite granule is any
The BaTiO of molar ratio3Powder and β "-Al2O3The mixture of powder, organic bond PVB, organic bond account for composite granule
With the 30% of organic bond total weight.
Further, BaTiO3The partial size of powder is 50nm, β "-Al2O3The partial size of powder is 50nm.
Further, 2 side of underlying metal foil coating, which is equipped with, stays side, and the other side of top-level metallic foil coating 4, which is equipped with, stays side.
Further, one end of conductive silver paste coating 7 and electrode outlet line 8 is welded.
Further, encapsulating material is epoxy resin.
A kind of preparation method of winding-type all-solid-state supercapacitor, comprising the following steps:
(1), by BaTiO3Powder and β "-Al2O3After powder is by the mixing of any molar ratio, it is ground to not a half hour, crosses 200
Dielectric/electrolyte composite granule is obtained after mesh；BaTiO3Powder and β "-Al2O3The partial size of powder is 50nm；
(2), organic bond is added in the composite granule obtained to step (1), then adds suitable dehydrated alcohol and grinds
Not a half hour is milled to as uniform sizing material, wherein organic bond accounts for the 30% of composite granule and organic bond total weight；
(3), slurry that step (2) obtains is coated uniformly on to the upper surface of top-level metallic foil, top layer gold by coating machine
Belong to the side of foil there are staying side, and is handled by drying 5-10 minutes of 50-70 DEG C of baking oven and dry slurry to form top-level metallic foil
Coating；
(4), slurry that step (2) obtains is coated uniformly on to the upper surface of underlying metal foil, bottom gold by coating machine
Belong to the side of foil there are staying side, and is handled by drying 5-10 minutes of 50-70 DEG C of baking oven and dry slurry to form underlying metal foil
Coating；
(5), as shown in Figure 1, top-level metallic foil to be placed in the top of underlying metal foil, top-level metallic foil coating stays side
Side heteropleural is stayed with underlying metal foil coating, the center of top-level metallic foil coating is aligned with the center of underlying metal foil coating,
It is removed after winding several circle numbers on winding hub, outer ring is wrapped fixation with adhesive tape, winding super capacitor core is made；
(6), as shown in Fig. 2, first staying the metal foil on side to be compacted with torsion at winding super capacitor core both ends, then will volume
It is put into rectangle blind hole around super capacitor core, winding super capacitor core both ends are stayed two inside the metal foil and blind hole on side
Side conductive silver paste coating comes into full contact with, and encapsulating material epoxy resin encapsulation winding super capacitor core is then injected into, by drying
50-70 DEG C of case drying 8-10 minutes processing, completes preparation.
Specific embodiment 3:
A kind of winding-type all-solid-state supercapacitor as shown in Figure 1 and Figure 2, including underlying metal foil 1, underlying metal foil
Coating 2, top-level metallic foil 3, top-level metallic foil coating 4, winding hub 5, shell 6, conductive silver paste coating 7,8 and of electrode outlet line
Adhesive tape 9；
Super capacitor core 10 is wound by wrapping adhesive tape after underlying metal foil 1,3 wound web central spindle 5 of top-level metallic foil
Paper 9 forms, and underlying metal foil 1 is located at the outside of top-level metallic foil 3, and underlying metal foil coating 2 is located at the upper table of underlying metal foil 1
Face, top-level metallic foil coating 4 are located at the upper surface of top-level metallic foil 3；
The top of shell 6 is equipped with rectangle blind hole, and winding super capacitor core 10 is arranged in rectangle blind hole, super with winding
Two insides of the corresponding rectangle blind hole in both ends of grade capacitor body 10 are equipped with conductive silver paste coating 7, are connected with two inside
The upper surface of shell 6 also be provided with conductive silver paste coating 7, the 7 external electrode lead-out wire of conductive silver paste coating of the upper surface of shell 6
8, the upside for winding super capacitor core 10 is encapsulated using encapsulating material.
Further, the width of the length of winding hub 5 and rectangle blind hole is interference fit, and the width of winding hub 5 omits
It is wider than conductive silver paste coating 7.
Further, shell 6 is ceramic shell.
Further, underlying metal foil coating 2 is ground by composite granule and organic bond, and composite granule is any
The BaTiO of molar ratio3Powder and β "-Al2O3The mixture of powder, organic bond PVB, organic bond account for composite granule
With the 25% of organic bond total weight.
Further, top-level metallic foil coating 4 is ground by composite granule and organic bond, and composite granule is any
The BaTiO of molar ratio3Powder and β "-Al2O3The mixture of powder, organic bond PVB, organic bond account for composite granule
With the 25% of organic bond total weight.
Further, BaTiO3The partial size of powder is 40nm, β "-Al2O3The partial size of powder is 40nm.
Further, 2 side of underlying metal foil coating, which is equipped with, stays side, and the other side of top-level metallic foil coating 4, which is equipped with, stays side.
Further, one end of conductive silver paste coating 7 and electrode outlet line 8 is welded.
Further, encapsulating material is epoxy resin.
A kind of preparation method of winding-type all-solid-state supercapacitor, comprising the following steps:
(1), by BaTiO3Powder and β "-Al2O3After powder is by the mixing of any molar ratio, it is ground to not a half hour, crosses 200
Dielectric/electrolyte composite granule is obtained after mesh；BaTiO3Powder and β "-Al2O3The partial size of powder is 40nm；
(2), organic bond is added in the composite granule obtained to step (1), then adds suitable dehydrated alcohol and grinds
Not a half hour is milled to as uniform sizing material, wherein organic bond accounts for the 25% of composite granule and organic bond total weight；
(3), slurry that step (2) obtains is coated uniformly on to the upper surface of top-level metallic foil, top layer gold by coating machine
Belong to the side of foil there are staying side, and is handled by drying 5-10 minutes of 50-70 DEG C of baking oven and dry slurry to form top-level metallic foil
Coating；
(4), slurry that step (2) obtains is coated uniformly on to the upper surface of underlying metal foil, bottom gold by coating machine
Belong to the side of foil there are staying side, and is handled by drying 5-10 minutes of 50-70 DEG C of baking oven and dry slurry to form underlying metal foil
Coating；
(5), as shown in Figure 1, top-level metallic foil to be placed in the top of underlying metal foil, top-level metallic foil coating stays side
Side heteropleural is stayed with underlying metal foil coating, the center of top-level metallic foil coating is aligned with the center of underlying metal foil coating,
It is removed after winding several circle numbers on winding hub, outer ring is wrapped fixation with adhesive tape, winding super capacitor core is made；
(6), as shown in Fig. 2, first staying the metal foil on side to be compacted with torsion at winding super capacitor core both ends, then will volume
It is put into rectangle blind hole around super capacitor core, winding super capacitor core both ends are stayed two inside the metal foil and blind hole on side
Side conductive silver paste coating comes into full contact with, and encapsulating material epoxy resin encapsulation winding super capacitor core is then injected into, by drying
50-70 DEG C of case drying 8-10 minutes processing, completes preparation.
The foregoing is merely better embodiments of the invention to elaborate, and is not intended to limit the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent replacement, improvement and so on should be included in protection of the invention
Within the scope of.
Claims (8)
1. a kind of winding-type all-solid-state supercapacitor, which is characterized in that including underlying metal foil, underlying metal foil coating, top
Layer metal foil, top-level metallic foil coating, winding hub, shell, conductive silver paste coating, electrode outlet line and adhesive tape；
Winding super capacitor core wraps glue after winding the winding hub by the underlying metal foil, the top-level metallic foil
Band paper forms, and the underlying metal foil is located at the outside of the top-level metallic foil, and the underlying metal foil coating is located at the bottom
The upper surface of layer metal foil, the top-level metallic foil coating are located at the upper surface of the top-level metallic foil；
The top of the shell is equipped with rectangle blind hole, and winding super capacitor core is arranged in the rectangle blind hole, with winding
Two insides of the corresponding rectangle blind hole in the both ends of super capacitor core are equipped with conductive silver paste coating, are connected with two inside
The upper surface of shell also is provided with conductive silver paste coating, the conductive silver paste coating external electrode lead-out wire of the upper surface of the shell,
The upside of the winding super capacitor core is encapsulated using encapsulating material；
The bottom and/or top-level metallic foil coating are ground by composite granule and organic bond, and composite granule is arbitrarily to rub
The BaTiO of your ratio3Powder and β "-Al2O3The mixture of powder, organic bond PVB, organic bond account for composite granule and
The 20%-30% of organic bond total weight.
2. a kind of winding-type all-solid-state supercapacitor according to claim 1, which is characterized in that the winding hub
The width of length and rectangle blind hole is interference fit, and the width of winding hub is slightly wider than conductive silver paste coating.
3. a kind of winding-type all-solid-state supercapacitor according to claim 1, which is characterized in that shell is plastic casing
Or ceramic shell.
4. a kind of winding-type all-solid-state supercapacitor according to claim 1, which is characterized in that the BaTiO3Powder
Partial size be 30nm-50nm, β "-Al2O3The partial size of powder is 30nm-50nm.
5. a kind of winding-type all-solid-state supercapacitor according to claim 1, which is characterized in that the underlying metal foil
Coating side, which is equipped with, stays side, and the other side of the top-level metallic foil coating, which is equipped with, stays side.
6. a kind of winding-type all-solid-state supercapacitor according to claim 1, which is characterized in that conductive silver paste coating with
It welds one end of electrode outlet line.
7. a kind of winding-type all-solid-state supercapacitor according to claim 1, which is characterized in that encapsulating material is epoxy
Resin.
8. a kind of prepare a kind of method of winding-type all-solid-state supercapacitor as described in claim 1, which is characterized in that packet
Include following steps:
(1), by BaTiO3Powder and β "-Al2O3After powder is by the mixing of any molar ratio, it is ground to not a half hour, crosses 200 meshes
After obtain dielectric/electrolyte composite granule；
(2), organic bond is added in the composite granule obtained to step (1), then adds suitable dehydrated alcohol and is ground to
Not a half hour becomes uniform sizing material, wherein organic bond accounts for the 20%-30% of composite granule and organic bond total weight；
(3), slurry that step (2) obtains is coated uniformly on to the upper surface of top-level metallic foil, top-level metallic foil by coating machine
Side there are staying side, and slurry is dried to form top-level metallic foil coating by baking oven；
(4), slurry that step (2) obtains is coated uniformly on to the upper surface of underlying metal foil, underlying metal foil by coating machine
Side there are staying side, and slurry is dried to form underlying metal foil coating by baking oven；
(5), top-level metallic foil is placed in the top of underlying metal foil, top-level metallic foil coating stays side and underlying metal foil to apply
Layer stays side heteropleural, and the center of top-level metallic foil coating is aligned with the center of underlying metal foil coating, winds on winding hub
It is removed after several circle numbers, outer ring is wrapped fixation with adhesive tape, winding super capacitor core is made；
(6), it first stays the metal foil on side to be compacted with torsion at winding super capacitor core both ends, then supercapacitor core will be wound
Son is put into rectangle blind hole, and two sides conductive silver paste coating inside the metal foil and blind hole on side is stayed at winding super capacitor core both ends
It comes into full contact with, is then injected into epoxy resin encapsulation winding super capacitor core, is then placed into drying in oven to get volume is arrived
Geometric pattern all-solid-state supercapacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN202905476U (en) * | 2012-08-29 | 2013-04-24 | 尼吉康株式会社 | Solid electrolytic condenser |
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| US6657849B1 (en) * | 2000-08-24 | 2003-12-02 | Oak-Mitsui, Inc. | Formation of an embedded capacitor plane using a thin dielectric |
| CN201629232U (en) * | 2009-12-09 | 2010-11-10 | 钰邦电子（无锡）有限公司 | Novel structure of capacitor |
| CN102446627A (en) * | 2010-09-30 | 2012-05-09 | 北京有色金属研究总院 | Metalized thin film capacitor |
| CN204792472U (en) * | 2015-07-21 | 2015-11-18 | 苏州电力电容器有限公司 | Accurate faraday ultracapacitor system |
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| CN106128778A (en) * | 2016-07-26 | 2016-11-16 | 胡英 | A kind of all-solid-state supercapacitor and preparation method thereof |
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